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nw-formal-verification-tlaplus

Specify and verify distributed system invariants with TLA+/PlusCal.

Updated Mar 18, 2024
Search Tags:#concurrency#safety#distributed-systems#formal-verification#model-checking#tla+#pluscal
One-click install
npx skills add https://github.com/v1bh0r/precise-ledger-pro --skill nw-formal-verification-tlaplus-v1bh0r
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nw-formal-verification-tlaplus
Source: https://github.com/v1bh0r/precise-ledger-pro/tree/main/nWave/skills/nw-formal-verification-tlaplus
Command: npx skills add https://github.com/v1bh0r/precise-ledger-pro --skill nw-formal-verification-tlaplus-v1bh0r

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Formal verification of distributed protocols is critical to catch subtle interleaving bugs, ensure safety invariants, and prove liveness properties before implementation.

Core Features & Use Cases

  • TLA+/PlusCal modeling: express allowed behaviors and invariants for distributed components.
  • Model checking with TLC: automatically explore state spaces to uncover counterexamples and deadlocks.
  • Guidance & patterns: practical decision heuristics for when formal methods add value (leader election, consensus, compensating transactions).
  • Real-world scenarios: Paxos/Raft style consensus, distributed locking, and multi-party coordination.

Quick Start

Model your protocol in TLA+/PlusCal and run TLC to validate invariants on small configurations.

Frequently Asked Questions about nw-formal-verification-tlaplus

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How does formal verification with TLA+ help find bugs in distributed protocols?▼

Formal verification with TLA+ specifies allowed behaviors and invariants for distributed protocols to catch subtle interleaving bugs, ensure safety, and prove liveness properties before implementation.

How do I model check a Paxos or Raft consensus protocol for deadlocks?▼

To model check a Paxos or Raft consensus protocol, express the distributed components in TLA+/PlusCal and run TLC to automatically explore state spaces and uncover deadlocks or counterexamples.

When do I need TLA+ PlusCal translation for evaluating concurrency correctness?▼

You need TLA+ PlusCal translation for evaluating concurrency correctness when designing distributed protocols like leader election or consensus and requiring automated state-space reduction techniques.

What is the best way to verify safety and liveness properties in distributed systems?▼

The best way to verify safety and liveness properties in distributed systems is specifying distributed invariants in TLA+ and applying model-checking with TLC to validate allowed behaviors on small configurations.

What are the limitations of model checking with TLC for state-space reduction?▼

Model checking with TLC faces state-space reduction limitations when verifying distributed systems, requiring small configurations to avoid exponential state explosion while exploring behaviors and validating safety invariants.

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